4x-8y=9 what is the slope of a line perpendicular to this line

Distribute and combine - 5 (3*+7) - 4 (*-4) + 11

Find the solution (s) for x in the equation below. x2 + 10x + 21 = 0

Is the number 29 prime or composite?

What is the total cost of sweatshirt if the regular price is $42 and the sales tax is 5.5 or 5 1/2%

If Jim's machine can fill 300 juice boxes an hour. Each juice box holds 0.8 cups. How many gallons of juice does Jim's factory need per hour?

How many 5/8 are in 1?

In a group of 48 children, there are twice as many boys as girls. How many girls are there?

A squared has a length of 5mm what is the perimeter of the square in dm?

Select the all numbers below which are rational numbers. - 76 (Square root) 13 3.14159 ... 10.030030003 ... 0.625 18.310 (Square root) 0.25 5/9

Sisters Rosey and Valerie specialize in two different triathlon events. Rosey finds that her average cycling speed is 7 mph faster than Valerie's average running speed. Rosey can cycle 32 miles in the same time that it takes Valerie to run 18 miles.